Add Yahoo as a preferred source to see more of our stories on Google. The 1040 tax form is the form most people use for filing taxes. It's not the easiest to understand, though. Form 1040 received an ...

What Is Form 1040-X, Amended U.S. Individual Income Tax Return? The 1040-X, Amended U.S. Individual U.S. Income Tax Return is a form used by taxpayers who need to ...